IMMUNODEFICIENCY

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Across
  1. 1. Acquired Immunodeficiency Syndrome. (4)
  2. 4. Another term for an acquired immunodeficiency. (9)
  3. 6. A defect in this cell type leads to impaired antibody production. (5)
  4. 9. A pathogen that causes disease only in a host with a compromised immune system. (13)
  5. 11. A deficiency present from birth. (10)
  6. 12. The T-helper cell count that is a key marker in HIV infection. (3)
Down
  1. 1. The process of weakening a pathogen for use in a vaccine. (11)
  2. 2. A defect in this cell type leads to impaired cell-mediated immunity. (5)
  3. 3. A deficiency in a specific type of granulocyte. (11)
  4. 5. An immunodeficiency that develops after birth, not from a genetic defect. (8)
  5. 7. Another term for a primary immunodeficiency. (7)
  6. 8. The human immunodeficiency virus. (3)
  7. 10. A severe form of immunodeficiency affecting both B and T lymphocytes (SCID). (8)